577 lines
21 KiB
Dart
577 lines
21 KiB
Dart
import 'dart:io';
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import 'dart:typed_data'; // <-- ADDED IMPORT
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:path/path.dart' as p;
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import 'package:signature/signature.dart'; // <-- ADDED IMPORT
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import 'package:environment_monitoring_app/auth_provider.dart';
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import 'package:environment_monitoring_app/services/api_service.dart';
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class ProfileScreen extends StatefulWidget {
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const ProfileScreen({super.key});
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@override
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State<ProfileScreen> createState() => _ProfileScreenState();
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}
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class _ProfileScreenState extends State<ProfileScreen> {
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// FIX: Removed direct instantiation of ApiService
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bool _isLoading = false;
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String _errorMessage = '';
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File? _profileImageFile;
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File? _signatureImageFile; // <-- ADDED STATE VARIABLE
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// FIX: Use late initialization to retrieve the service instance.
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late ApiService _apiService;
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// --- ADDED SIGNATURE CONTROLLER ---
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final SignatureController _signatureController = SignatureController(
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penStrokeWidth: 3,
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penColor: Colors.black,
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exportBackgroundColor: Colors.transparent, // For transparent PNG
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);
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// --- END OF CONTROLLER ---
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@override
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void initState() {
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super.initState();
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// FIX: Retrieve the ApiService instance after the context is fully available.
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WidgetsBinding.instance.addPostFrameCallback((_) {
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_apiService = Provider.of<ApiService>(context, listen: false);
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_loadLocalProfileImage().then((_) {
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// --- MODIFIED: Chain signature loading ---
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_loadLocalSignatureImage().then((_) {
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// If no profile data is available at all, trigger a refresh
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if (Provider.of<AuthProvider>(context, listen: false).profileData == null) {
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_refreshProfile();
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}
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});
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// --- END MODIFIED ---
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});
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});
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}
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/// Refreshes only the profile data using the dedicated provider method.
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Future<void> _refreshProfile() async {
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setState(() {
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_isLoading = true;
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_errorMessage = '';
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});
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try {
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final auth = Provider.of<AuthProvider>(context, listen: false);
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// Call the efficient refreshProfile method instead of the full sync.
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await auth.refreshProfile();
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// After syncing, reload the potentially new profile image
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await _loadLocalProfileImage();
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await _loadLocalSignatureImage(); // <-- ADDED THIS LINE
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} catch (e) {
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if (mounted) {
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setState(() {
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_errorMessage = 'An unexpected error occurred during sync: ${e.toString()}';
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});
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}
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} finally {
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if (mounted) {
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setState(() {
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_isLoading = false;
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});
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}
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}
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}
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/// Loads the profile image from the local cache or downloads it if not present.
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Future<void> _loadLocalProfileImage() async {
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final auth = Provider.of<AuthProvider>(context, listen: false);
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final String? serverImagePath = auth.profileData?['profile_picture'];
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if (serverImagePath != null && serverImagePath.isNotEmpty) {
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final String localFileName = p.basename(serverImagePath);
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final Directory appDocDir = await getApplicationDocumentsDirectory();
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final String localFilePath = p.join(appDocDir.path, 'profile_pictures', localFileName);
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final File localFile = File(localFilePath);
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if (await localFile.exists()) {
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if (mounted) setState(() => _profileImageFile = localFile);
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} else {
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final String fullImageUrl = ApiService.imageBaseUrl + serverImagePath;
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// FIX: Use the injected _apiService instance
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final downloadedFile = await _apiService.downloadProfilePicture(fullImageUrl, localFilePath);
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if (downloadedFile != null && mounted) {
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setState(() => _profileImageFile = downloadedFile);
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}
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}
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} else {
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if (mounted) setState(() => _profileImageFile = null);
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}
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}
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// --- ADDED NEW FUNCTION ---
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/// Loads the signature image from the local cache or downloads it if not present.
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Future<void> _loadLocalSignatureImage() async {
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final auth = Provider.of<AuthProvider>(context, listen: false);
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// Assumes the field name in your DB/profile JSON is 'signature_path'
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final String? serverSignaturePath = auth.profileData?['signature_path'];
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if (serverSignaturePath != null && serverSignaturePath.isNotEmpty) {
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final String localFileName = p.basename(serverSignaturePath);
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final Directory appDocDir = await getApplicationDocumentsDirectory();
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// Store signatures in their own sub-directory
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final String localFilePath = p.join(appDocDir.path, 'signatures', localFileName);
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final File localFile = File(localFilePath);
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if (await localFile.exists()) {
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if (mounted) setState(() => _signatureImageFile = localFile);
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} else {
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final String fullImageUrl = ApiService.imageBaseUrl + serverSignaturePath;
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// We can re-use the downloadProfilePicture method, just provide a different local path
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final downloadedFile = await _apiService.downloadProfilePicture(fullImageUrl, localFilePath);
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if (downloadedFile != null && mounted) {
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setState(() => _signatureImageFile = downloadedFile);
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}
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}
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} else {
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if (mounted) setState(() => _signatureImageFile = null);
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}
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}
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// --- END OF NEW FUNCTION ---
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/// Shows a modal bottom sheet for selecting an image source.
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Future<void> _showImageSourceSelection() async {
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showModalBottomSheet(
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context: context,
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builder: (BuildContext context) {
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return SafeArea(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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ListTile(
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leading: const Icon(Icons.camera_alt),
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title: const Text('Take a photo'),
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onTap: () {
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Navigator.pop(context);
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_pickAndUploadImage(ImageSource.camera);
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},
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),
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ListTile(
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leading: const Icon(Icons.photo_library),
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title: const Text('Choose from gallery'),
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onTap: () {
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Navigator.pop(context);
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_pickAndUploadImage(ImageSource.gallery);
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},
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),
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],
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),
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);
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},
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);
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}
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/// Picks an image and initiates the upload process.
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Future<void> _pickAndUploadImage(ImageSource source) async {
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final ImagePicker picker = ImagePicker();
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final XFile? pickedFile = await picker.pickImage(source: source, imageQuality: 85, maxWidth: 1024);
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if (pickedFile != null) {
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setState(() => _isLoading = true);
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final File imageFile = File(pickedFile.path);
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// FIX: Use the injected _apiService instance
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final uploadResult = await _apiService.uploadProfilePicture(imageFile);
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if (mounted) {
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if (uploadResult['success']) {
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// After a successful upload, efficiently refresh only the profile data.
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await _refreshProfile();
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_showSnackBar("Profile picture updated successfully.", isError: false);
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} else {
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setState(() {
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_errorMessage = uploadResult['message'] ?? 'Failed to upload profile picture.';
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});
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_showSnackBar(_errorMessage, isError: true);
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}
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setState(() => _isLoading = false);
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}
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}
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}
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// --- ADDED THESE 2 NEW FUNCTIONS ---
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/// Shows the signature pad dialog.
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Future<void> _showSignaturePad() async {
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_signatureController.clear(); // Clear any previous drawings
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final File? signatureFile = await showDialog<File?>(
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context: context,
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barrierDismissible: false,
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builder: (BuildContext dialogContext) {
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return AlertDialog(
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title: const Text("Provide Your Signature"),
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content: Container(
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width: double.maxFinite,
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height: 300,
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decoration: BoxDecoration(
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border: Border.all(color: Colors.grey.shade400),
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color: Colors.grey.shade200, // Background for the pad
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),
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child: Signature(
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controller: _signatureController,
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backgroundColor: Colors.white,
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),
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),
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actions: <Widget>[
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TextButton(
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child: const Text("Clear"),
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onPressed: () {
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_signatureController.clear();
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},
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),
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TextButton(
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child: const Text("Cancel"),
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onPressed: () {
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Navigator.pop(dialogContext, null);
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},
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),
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ElevatedButton(
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child: const Text("Save"),
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onPressed: () async {
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if (_signatureController.isNotEmpty) {
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final Uint8List? data = await _signatureController.toPngBytes();
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if (data != null) {
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final tempDir = await getTemporaryDirectory();
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final file = File(p.join(tempDir.path, "signature_${DateTime.now().millisecondsSinceEpoch}.png"));
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await file.writeAsBytes(data);
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Navigator.pop(dialogContext, file);
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}
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} else {
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// Show a snackbar if the signature is empty
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ScaffoldMessenger.of(dialogContext).showSnackBar(
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const SnackBar(
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content: Text("Please provide a signature first."),
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duration: Duration(seconds: 2),
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),
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);
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}
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},
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),
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],
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);
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},
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);
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// After dialog is closed, check if we got a file
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if (signatureFile != null) {
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await _uploadSignature(signatureFile);
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}
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}
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/// Uploads the signature file and refreshes the profile.
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Future<void> _uploadSignature(File signatureFile) async {
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setState(() => _isLoading = true);
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final uploadResult = await _apiService.uploadSignature(signatureFile);
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if (mounted) {
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if (uploadResult['success']) {
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// Refresh profile to get new signature_path and display it
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await _refreshProfile();
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_showSnackBar("Signature updated successfully.", isError: false);
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} else {
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setState(() {
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_errorMessage = uploadResult['message'] ?? 'Failed to upload signature.';
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});
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_showSnackBar(_errorMessage, isError: true);
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}
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setState(() => _isLoading = false);
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}
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// Clean up temp file
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try {
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if (await signatureFile.exists()) {
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await signatureFile.delete();
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}
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} catch (e) {
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debugPrint("Error deleting temp signature file: $e");
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}
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}
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// --- END OF NEW FUNCTIONS ---
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void _showSnackBar(String message, {bool isError = false}) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(message),
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backgroundColor: isError ? Theme.of(context).colorScheme.error : Colors.green,
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),
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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final auth = Provider.of<AuthProvider>(context);
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final profileData = auth.profileData;
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return Scaffold(
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appBar: AppBar(
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title: const Text("User Profile"),
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actions: [
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IconButton(
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icon: const Icon(Icons.refresh),
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onPressed: _isLoading ? null : _refreshProfile,
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),
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],
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),
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body: Column(
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children: [
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Expanded(
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child: _isLoading && profileData == null
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? const Center(child: CircularProgressIndicator())
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: _errorMessage.isNotEmpty
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? Center(
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.error_outline, color: Theme.of(context).colorScheme.error, size: 50),
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const SizedBox(height: 16),
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Text(
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_errorMessage,
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textAlign: TextAlign.center,
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style: TextStyle(color: Theme.of(context).colorScheme.error, fontSize: 16),
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),
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const SizedBox(height: 24),
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ElevatedButton(
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onPressed: _isLoading ? null : _refreshProfile,
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child: const Text('Retry'),
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),
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],
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),
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),
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)
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: profileData == null
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? const Center(child: Text('No profile data available.'))
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: RefreshIndicator(
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onRefresh: _refreshProfile,
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child: SingleChildScrollView(
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physics: const AlwaysScrollableScrollPhysics(),
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padding: const EdgeInsets.all(24.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Center(
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child: GestureDetector(
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onTap: _isLoading ? null : _showImageSourceSelection,
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child: Stack(
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alignment: Alignment.bottomRight,
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children: [
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CircleAvatar(
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radius: 60,
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backgroundColor: Theme.of(context).colorScheme.secondary,
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backgroundImage: _profileImageFile != null ? FileImage(_profileImageFile!) : null,
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child: _profileImageFile == null ? Icon(Icons.person, size: 80, color: Theme.of(context).colorScheme.onSecondary) : null,
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),
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if (!_isLoading)
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Positioned(
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right: 0,
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bottom: 0,
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child: CircleAvatar(
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radius: 20,
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backgroundColor: Theme.of(context).primaryColor,
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child: Icon(Icons.edit, color: Theme.of(context).colorScheme.onPrimary, size: 20),
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),
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),
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],
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),
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),
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),
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const SizedBox(height: 32),
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_buildProfileSection(context, "Personal Information", [
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_buildProfileDetail(context, "Username:", profileData['username']),
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_buildProfileDetail(context, "Email:", profileData['email']),
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_buildProfileDetail(context, "First Name:", profileData['first_name']),
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_buildProfileDetail(context, "Last Name:", profileData['last_name']),
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_buildProfileDetail(context, "Phone Number:", profileData['phone_number']),
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]),
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const SizedBox(height: 24),
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_buildProfileSection(context, "Organizational Details", [
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_buildProfileDetail(context, "Role:", profileData['role_name']),
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_buildProfileDetail(context, "Department:", profileData['department_name']),
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_buildProfileDetail(context, "Company:", profileData['company_name']),
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_buildProfileDetail(context, "Position:", profileData['position_name']),
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]),
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const SizedBox(height: 24),
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// --- ADDED THIS SECTION ---
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_buildSignatureSection(context),
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const SizedBox(height: 24),
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// --- END OF ADDED SECTION ---
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_buildProfileSection(context, "Account Status", [
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_buildProfileDetail(context, "Account Status:", profileData['account_status']),
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_buildProfileDetail(context, "Registered On:", profileData['date_registered']),
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]),
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],
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),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.all(24.0),
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child: Center(
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child: ElevatedButton.icon(
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icon: const Icon(Icons.logout),
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label: const Text("Logout"),
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onPressed: () {
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (dialogContext) => AlertDialog(
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title: const Text("Confirm Logout"),
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content: const Text("Are you sure you want to log out?"),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(dialogContext),
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child: const Text("Cancel"),
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),
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ElevatedButton(
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onPressed: () {
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Navigator.pop(dialogContext);
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auth.logout();
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Navigator.pushNamedAndRemoveUntil(context, '/', (route) => false);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red[700],
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foregroundColor: Colors.white,
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),
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child: const Text("Logout"),
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),
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],
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),
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);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red[700],
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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),
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),
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),
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),
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],
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),
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);
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}
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Widget _buildProfileSection(BuildContext context, String title, List<Widget> details) {
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return Card(
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elevation: 4,
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margin: const EdgeInsets.symmetric(vertical: 8.0),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.bold, color: Theme.of(context).primaryColor),
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),
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const Divider(height: 20, thickness: 1.5),
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...details,
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],
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),
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),
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);
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}
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// --- ADDED NEW WIDGET METHOD ---
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Widget _buildSignatureSection(BuildContext context) {
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return Card(
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elevation: 4,
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margin: const EdgeInsets.symmetric(vertical: 8.0),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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"Signature",
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(fontWeight: FontWeight.bold, color: Theme.of(context).primaryColor),
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),
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const Divider(height: 20, thickness: 1.5),
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Center(
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child: Container(
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width: double.infinity,
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height: 150,
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decoration: BoxDecoration(
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color: Colors.grey.shade200,
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border: Border.all(color: Colors.grey.shade400),
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borderRadius: BorderRadius.circular(8),
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),
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child: Padding(
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padding: const EdgeInsets.all(4.0),
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child: _signatureImageFile != null
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? Image.file(
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_signatureImageFile!,
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fit: BoxFit.contain,
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)
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: Center(
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child: Text(
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"No signature set.",
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style: TextStyle(color: Colors.grey.shade700),
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),
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),
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),
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),
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),
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const SizedBox(height: 16),
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Center(
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child: ElevatedButton.icon(
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onPressed: _isLoading ? null : _showSignaturePad,
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|
icon: const Icon(Icons.edit_note),
|
|
label: const Text("Update Signature"),
|
|
style: ElevatedButton.styleFrom(
|
|
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
|
|
),
|
|
),
|
|
)
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
// --- END OF NEW WIDGET METHOD ---
|
|
|
|
Widget _buildProfileDetail(BuildContext context, String label, dynamic value) {
|
|
return Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 8.0),
|
|
child: Row(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Expanded(
|
|
flex: 2,
|
|
child: Text(
|
|
label,
|
|
style: Theme.of(context).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
|
|
),
|
|
),
|
|
const SizedBox(width: 16),
|
|
Expanded(
|
|
flex: 3,
|
|
child: Text(
|
|
value?.toString() ?? 'N/A',
|
|
style: Theme.of(context).textTheme.bodyLarge,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
} |